Knitting-machine.



F; WILGOMB. KNITTING M'AGHINB. 1 APPLICATION FLED FEBJG, 1909. 1,073,309. l Patented Sept. 16, A19m. 's SHEETS-SHBET i."

E". WILGOMB. KNITTING MACHINE. APPLICATION FILEDEEB. 15,1909.

Patented sept. 16,1913.V

3 SHEETS-SHEET 2.

I. WILGOMB. KNITTING MACHINE.

AAPPIVIVIGA'JIION FILED Humo. 1909.

Patented sept. 16,1913.

U'Nieen eieiee eefreiii ermee.

@RANK WILCOMB, QF NGRRITOWN, PEHNSYLVANIA, ASSIGNR TO W'LQME 'MACHINE CQM-.NY, UF NQREISTOVN, PENNSYLVANIA.

mamme-.immerse f f Application mea Febr Toall wficm may cncem Be it known that FRANK WILCOMB, citizen of the United Sintes, residing :15N ferrie e Lowe, .Pemxsylm ia.. have invented 'certain I new and usefiil -mpio'verfien.is in Knitting I liechineee which. the following is e. spee1` ceton. 1 l The iiirention relates to the, type ofmm chine disclosed in mi; applications for Let eers Patent ofthe nited States filed Nor vember 19, 1905i, No. 344.5075, and February 1909. Ai-76,024; and it consists iii ihe eatures and combination and arrangement of paris hereinafter described and parliculzirly :ppinted'eut in the claims'. ih the accompanying drawings Figure 1 fi i sectional vie-W of part ofjbhe .head of *e circular spring needle knitting machine e peri ei the head of e multiple feed c1rcucircle,

vlraciiii..web heldere ami embedying my invention; Fig. l is a pari', of Fig. enlarged; Fig. 2 is a plan View of ier machine; Fig. 3 is a sectional View sub- Sizmtieily mi the line 3 -3 of Fig. 2; Fig. 4- ,is a, part freni; View and diagrammatic View of needles, sinliers, web holders and thread l feeding devices, as viewed from Within the j :ueedie cireie; Figs. v to ll, inclusive, crei views showing dierent steps in iiie kni'ttiu'l i operation; Figs. l2 end 13 are views of di ferent ferme 0f my improved sinkei'; Fig. 13 is a View of e. dierenbfolm of Fig. 14 is s. View of my" web beider; 4`ig. l5 iezzi View of one es? tlie'sectiene of ihenveb Lie'lder cem ring."

n'these dra wings. l is the needie cylinder, 2 the spiiiig beer' needle, 3 the jack, i tiie neeliI cage, 5 the @am ring. 6l liev eliding;` similaire, T ihe sliding web Wiieei errungesf Wiiiiii ihe needle circie.` 2) the presser' ring exterier to ille this ring m'iarfiig a 'em pressing wiiei iie ieee-'les ere forced freni their plane ouin-'ai if by lie ,interior presser flieei.

holders, 8 e. presser me if make the '.veiit edge ef fiiie pre e i3" angie il; :i/i'orii beiiier ceri lie@ ie beard. i'iispresen.. en np'ivezaily and eu #emily inclined su rf ,-e, to receive he beard, and prevent crimping of the .head of the needle when drawn Ciown. This presser ring ie simpiylaid upon the is lie position hereby. it lies le guieie tile 'web held lending aieeh ie @uid ere guirfe ai ere: and, upwerdiy i the sinkei's. 'fil/eee their nose amis eis@ pecicatiexi of Letters Peteizt.

nary 16, i969. Serial o.

sinker; I

f= lere, any.' veeches iie inn P side of helder bed wiil fren; iciiolfiers if ruil. fece 2li, Wiki iidgec the. iieweeii milj-i1" eepperi iiie cy ma 'were preveiiieii ..3 i) in?.

by a cover plaie i0 *which 'has depending ieeth 0 engage and guide the sinken,l said @over plaie, like the presser ring2 bein@ simplyieid 1 1 anni held. in positmn both concenricxilly and against'.circumferential .displacement by the'engegeiiieiit 'lierewii'ii of the radial sinleers.,r Y

Above thecover plaie is ille Cam il carrying' the cams for ille siiiliere. l The bes l2 and 13 .for ille sinkers and web holders, respectively, are etiieclied te each other by screws 14. They rim in e. pocket l5 kof the annuler supporting frame 16 suppeited by :i suitebie post 17 and standards 62 ie the base ring` 3.6. One of lder bed, in bilis the beds, 21e., the Web ho iiisizuice, is toothed on its periphery vi; 18 to e driven by e gear 19.011 the upper end of the simf' 7 Wliiclielso has a gear 2l er driving the gear attached te the needle cylinder.

Thesiiikei' bed bed, emi covers th ple-.te

everlies the web holder e gear teeth tliei'eof, and

above this is rdie fired cam plaie. The web v A older cam ring 39 Je supported detaeliably in sections, Fig. l5 en the lower eide o-ilie frame ring extending up Within the Same, biit being readily accessible for the removal ef'is sections vsf'ilieiit dismantling the me clim-e. .f The pocket in which the needle is supplied with oil through e. (dotted lilies, gig. la) fr beds .um peri; 25., einen eil cup of edge :it e siigiit d eege of ille cam plete alle". fern io prevent the passage iii eii plaie over the le ijie nose e: ie of l c i.

@over piete wr rime" iiei'eirpei; frenz.

the eem plaie li be eris e be Oiled .tlireuggii en file iep o ille sever under side ef w I l. I :stimme imm .are in il ceileiie 03u fein-ie,

any .suitable form or arrangement, The cover plaie l0 Das mi upwardiy extending when this form of sinker device is employed, is illustrated in Figs. 4 to i1 inclusive.

The 'several steps in the knitting operation are as follows: Fig. 5 represents the web holders in position to hold the fabric against the up and down thrust of the needles, the-sinkers being in the position for measuring oi'l the yarn to the needles for the new loops; Fig. (3 represents the position of the parts during the pressing of the needle heard to pass through the old loops, the needle having partly retracted and the fabric I being still held by the web holders in the same position as in Fig. 5, the new loop be'- ing held on the projecting nose of the sinker which, at this time, has partly retracted Fig. 7vrepresents the sinker as having retracted more fully and about to 'free itself from the new loop, the needle havin retracted further and the Afabric being he d as above described by the web holder; Fig. 8 represents the siiiker fully retracted, having freed the new loop which has ybeen caught by the hook or nib of the web holder, the needle having llfiirther retracted from the position-of Fig. 7 and in this action having cvened the new loops over the top edges of the web holder iiibs previous to drawing the said new loops into the iabricg-Fig. 9`

represents the parts with the sinker retracted and the web holder retracted to permit .the evened new loop to be drawn into the fabric, the needle being in substantially the saine position as in Fig. 8; Fig. l0 shows the needle fully retracted and the new loops (only one of which is shown) which vhave been previously evened or divided', over the top edges of lthe nibs, drawn into the 'fabi-ic; Fig. ll represents the needle as having l'ully advanced to the .same position as in Fig. 5, and the .sinker about` to advance froml its fully retracted position lo measure ofl' the yarn to the needles, as illustrated in Fig. 5.

.ln Fig. #l is indicated the point i 'v at which the sinlters measure olf or sink the yarn lo the needles, the point b at which pressing is done and the sinliers begin to retract. the point. r at wliirlitho sinkers hart` retracted and have freed themselves from the nrw loops, and the point at which these new loops are bei'ng.; evened by being drawn gently over the tops ol the nilis oi" the web holders Yjust prior to being,r drawn into the avoid any rendering Aneedle to needle after the'loops have been "'iinderstood by those skilled in the art,v

-eain has Va recessf fabric, whaha represented py are wavy ier m--m in said figure, and this figure n dicates the point dat which the new/'loops have been drawn into the fabric.

From the above it will be seen that-Tini:

lize the projectingmibof the web holderl to perform the' function of a dividing wheel on a bur wheelmacliine. This function is better` obtained by the use of the web holder vnib owing to the fact thatv the loops which .have been formed by the sinkers are immediately cau ht across the nib of the coinbined web older and stitch evener before they have time to render from one needle to another, and if'the do render, they will be immediately evene again by being drawn across the web holder nib or evener before the loop is drawn into the fabric.

By my method of evening the new loops prior to drawing them into the fabric, l of the loopsl from practically drawn into the loops already formed. This enables me to use very tender yarn without ru turing, and no holes will appear in fthe fa ric due to weak the yarn. Further, this'inet-hod o evening the new lloops over the tops of the web holder nibs assists in preventing small ob struction's, such as lint, bunches, long and loose fili/ers andV knots froni'appearing on the face of the fabric. n

Tn practice I prefer not to draw the new loops extremely taut across the nib of the web holder, but just sufficient to insure a uniform length of yarn inthe several new loops. r

l do not limit in vself to "a, sliding web holder in connection with the ensuing.;v effect.

The web holder eain shown iii Fig. 15 is so formed as to operaie the web holder to seoiire the 'above eifel-ts, as will be readily This to allow the weh holders to recede, though l prefer to have the hack of the cam as i shown to positively retract the web holder laces in at the pressing point p V'110 when the pressing is donc; the evening is done at the point g; the needles cast oli' the loops at the point li. and the needles start lo rise at the point i'. at #through which any web holder lmay be removed inwardly in a radial direction or replared hy a reverse nioven'icnt. 'In addilion. by this inethod of evening the loops,

all theloops, .aiter having been first evened.

are drawn into. the fabric very slowly as eon'ipaied to the speed of measuring the. yarn -ior forming: the loop, as the distance the needle travels to drawl the new loops from' the eveiiers or web holdersinto the fabric is so short that a very low angle eain van 4he employed, enabling the loops tov he drawn' in gently and slowly, thus producing' a. hotter fabi-ie. as compared with the usual nso4 115 A spare is provided jected by momentum beyond upon. The locking of the cani which my momentunncontrolling bar may ,in the upper surface of .the head ing knitting,

,needles aiidfw'eb holders,

employed to provide an extended bearing surface to receive two threads which are side by side, whether these are close together or separated. For instance, thcl sinker may have a projecting` part at the apex of the notch for this purpose, asl shown in Fig. 13a. I have also providedl means for preventing the sinliers (or iieef dles as the case may apex of the notch, as other forms may be l be) from being proi the worliing point of the cani which operates them diiri resulting in making longerl loops than desired This means consists! of a follower bar or the cam plate or ringat 3'3" and under teiisioii of a spring 37, lfigl 2, tending constantly to draw the said controlling bar or follower toward the cam 33 which projects the sinkers. By this spring the controlling nieniber'is held snugly 'against the heel of the sinker (or needle as the case may be). When the machine .is operated. slowly by hand, and its proper position being thus determined, the controlling;` bar is locked incinbcr 323 pivotcd to in this position by a screw 39 passing down through an enlarged opening l0 in the cani plate and into the bar, Fig. Q, said screw l having its head resting upon the upper face of the cam plate so that, when it is turned, it will be locked in position. Now wliei power is applied to the machine .for rapidf" operation, the heels of the sinlters (or needles) can not be projected by momentum farther than the dist-ance predetermined is employed in rapid machines, but in a slow moving machine reliance may be had solely upon the spring, no positive locking means being needed to prevent overthrow ofthe sinkers.

I do not limit myself to the particular. knitting` element@ .such asv sinkers, with be used, as other knitting elements, such as may be controlled by asimilar arrangement to -prevent overthrow 'theieof beyond the pro-pei' distancedue to rapid operation and steep cams. I provide also means for adjusting the/web holder cams without.dismantling anyparts. As shown in Figs. l and l5 the cam 39X is pivoted at 40 and has a pin il near its other ond projecting down int-o .a groove 42 i3 of a rock shaft 44, whielifis dropped down into a shouldered opening in the cani ring and is thus held below the cam. 'lhs roer shaft, at its lower end, basa handle arni l5 piojecting outwardly for manipulation, and

when turned to properly adjust the cani it is fixed in position by a screw 46 passing through a curved slot 47 in the arm and. into the cam ring.

l. In combination in a needles, a needle bed, yarn sinking means, web holders 'having work ends and upper hilos, and cani means for operating them to )resent their nibs' for evening the loops across the tops prior to drawing the looy into the fabric, said web holders being arranged in a plane below the sinlters, sub-- staiitially as described. Y

2. In combination in a lii'iitting machine., needles, a bedr therefor, yarn sinking nieans, sliding web holders'having worli ends and upper nibs, and operating means therefor to present their 'nibs for evening. the loops across their tops prior to drawing the loops into the fabric, substantially as described.

3. In combination in a knitting machine, needles., a needle bed, independently operated sinlrers, web holders having work ends and upper nibs, and cam means for operating the Iweb holders to present their nibs for evening the loops across their tops, said web holders operating in a plane below that of the sinkers substantially as described.

4.-. In combination in a knitting machine,

n' needles, a needle bed, sliding sinkers and sliding web holders, said web holders having worl; ends and upper nibs and cam means for operating the web holders to present their nibs for-evening :the loops across their tops, said sinkers and web holders operating in dilerent horizontal .planes substantially as described.

vl5. In combination in a knitting machine,

needles, a needle bed,'sliding web holders, a

web holder bed having radial guiding grooves of equal width. throughout their lengt-h, a web holder cam with a space adjacent the same for the passageI web holders having thin noses and reinforced or tiielzened lower portions to fit in the web holder bed atr their the grooves nose end, eb holders being removable forwardly h the space adjacent the web holder and through the guiding grooyes at use end, substantially as described.

In testini( f whereof I affix my signature 1n presence of i lo witnesses.

FRANK VVILCOMB.

VJitn ess'es t.

NINA S. Rrr'rnn, HERBERT W.. Borne.

knitting machine, y

of the web holders, said- 

